gEDA-dev: pcb FAQ: how many layers?

[Steve Meier]

I knew PCB was out of this world.

Steve M.

Stephan Boettcher wrote:

> Hi,
>
> DJ Delorie <dj at delorie.com> writes:
>
>   
>> But that doesn't stop people from using it for high-end professional
>> work.  I've seen some boards made with gEDA (sorry, can't publish
>> them) that are *amazingly* complex.
>>     
>
> PCB can be made to do about anything with a little bit of scripting.
> Most of my designs undergo edit sessions going back and forth between
> pcb and emacs.
>
> I was missing a feature for this board I did:
>
>   http://www.ieap.uni-kiel.de/et/people/stephan/msl/eda/TFlex.pcb
>
> On this rigid-flex board I had the need for more than two component
> layers.
>
> The board has two, four, and six layers on parts of the area.  I added
> tiny vias for the connectivity check to the component pads on the
> inner layers.  For DRC and shipout I had two small sed scripts to
> remove the tiny vias and produce two .pcb files with the components on
> only the inner or only the outer layers.
>
> This board shall fly to Mars in 2009.
>
> Stephan
>
>
>
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>